Height Of Extractor Fan Cowl

jassdhali · 28 Sep 2011

Guys,
Extractor fan fitted to Warm flat roof.
Are there any given height guidlines for how high up the cowl should be from the roof?
Thanks

hotrod · 28 Sep 2011

It's a long shot, but do you think the installation instructions might specify a max and min distance?

jassdhali · 29 Sep 2011

hotrod said:
It's a long shot, but do you think the installation instructions might specify a max and min distance?

If life were that easy.
The extractor fan is on my ceiling, connected to a piece of plastic tubing which then connects to a plastic 4" pipe which routes through the roof and then will fit my mushroom cowl.
All I need is height of 4" pipe before I place mushroom cowl on top.

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Height Of Extractor Fan Cowl

jassdhali

hotrod

jassdhali

DIYnot Local

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